Science
How rocks are formed
The earth’s crust is made up of rocks. They are formed in three ways: Sedimentary Rocks Some sedimentary rocks are made only of roc…
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Acids and Alkalis
Acids Acids: a substance with particular chemical properties including turning litmus paper red, neutralizing alkalis and dissolving some metals…
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Science
How is natural gas formed?
Millions of years ago marine plants and animals died and settled on the sea floor. They were buried by the sediments which were brought by r…
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Science
Why is salt important?
A) Humans and animals All humans and animals need salt. We have salt in every cell of our body. Adults need about 250 g in their body to maintain …
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Science
What are Viruses???
Viruses: A Virus is a biological agent that reproduces inside the cells of living hosts. They are smaller than bacteria and cannot be observed with …
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Science
Science
Science Experiment
Science experiment to test whether there is oxygen in a closed container or not
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